8″ Red PU Parallel Keel Roller – Flat Roller 200mm x 21mm Bore for Fibreglass Boats (SKU: PRRP200X72X21)

8-Inch Red PU Parallel Keel Roller – Soft, Strong, and Boat-Safe

The PRRP200X72X21 is a reliable 8-inch red polyurethane flat keel roller that delivers balanced support and non-marking contact for fibreglass boats. Designed with a 72mm outer diameter and a 21mm bore, it fits standard 20mm–21mm spindles and is perfect for mid-sized trailer setups.

With its soft polyurethane surface and parallel profile, it helps guide boats smoothly into place while preventing scratches and pressure points on the hull.

Key Specifications

Why It Works

• Soft surface – gentle on boat hulls
• Parallel design for even load distribution
• Great for medium-size boat trailers

Not too long, not too short – just right for most trailers. Smooth sailing starts here.

Frequently Asked Questions (FAQ)

• Q: What spindle size does this fit?
  A: It fits 20–21mm spindles with a 21mm bore.
• Q: Is the red PU safe for white hulls?
  A: Yes – it’s non-marking and ideal for fibreglass boats.
• Q: Is it suitable for the centre keel zone?
  A: Absolutely – perfect for mid-trailer support and guidance.

Usage Guide

1. Mount roller onto 20–21mm spindle using your bracket or keel arm.
2. Align to central keel channel or hull contact zone.
3. Ensure free spin and stable position before loading/unloading boat.

Evaluation & Recommendation

The PRRP200X72X21 is a balanced option for boat owners with mid-sized fibreglass hulls. It offers a sweet spot between compact maneuverability and wide support. Ideal if you’re upgrading from rubber to a cleaner, longer-lasting solution.

The sweet spot in the red team – balanced, bright, and boat-friendly.